Pith Number

pith:2V5DHOD7

pith:1999:2V5DHOD7I6LOYKUIRW5AT75SB4

not attested not anchored not stored refs pending

Helioseismology and Beryllium neutrino

B. Ricci, F. L. Villante, M. Lissia

arxiv:astro-ph/9904072 v1 · 1999-04-06 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2V5DHOD7I6LOYKUIRW5AT75SB4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:32:10.108014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57a33b87f4796ec2a888dba09ffb20f21290de404ce8cd3b357f41b2a9ccf4c

Aliases

arxiv: astro-ph/9904072 · arxiv_version: astro-ph/9904072v1 · doi: 10.48550/arxiv.astro-ph/9904072 · pith_short_12: 2V5DHOD7I6LO · pith_short_16: 2V5DHOD7I6LOYKUI · pith_short_8: 2V5DHOD7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2V5DHOD7I6LOYKUIRW5AT75SB4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d57a33b87f4796ec2a888dba09ffb20f21290de404ce8cd3b357f41b2a9ccf4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11127ddbd298e002f88743ad752a00c7fde39fccf44c15dc2cf569dbacac2659",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-06T11:37:39Z",
    "title_canon_sha256": "80b01148b99ae9fc112b1758da49e860d99d15d92c92258a43c93bbf905afb78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904072",
    "kind": "arxiv",
    "version": 1
  }
}